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I'm lookin at a leak detection system. Uses ultraviolet dye that you put in the oil, tranny fluid etc. Do you have to use their black light? I have a couple of incandesent black light bulbs (screw into a light socket). Wonder if they would work OK.
A bore scope would be nice. Anyone know of a relatively inexpensive one or where to rent one?
my guess is any black light will illuminate the ultraviolet dye.seems improbable that it is light specific. they gotta get a bulb from somewhere too. rick
I used one of those dyes for my masters thesis. and we "excited" the tracer with a number of light sources the 10 dollar black light from wal-mart worked the best for just seeing where the dye was. I don't know what dye your using but I'm sure its very similar.
P.S. Try not to look into the black light, some peoples eyes are more sensitive then others but it really can hurt your eyes (in time)
P.S. Try not to look into the black light, some peoples eyes are more sensitive then others but it really can hurt your eyes (in time)
You should use UV-blocking glasses and not look at the UV source at all. What you're interested in seeing is the fluorescence that's in the visible spectrum. Glass (and I think probably all plastic) lenses will block the UV.
What started me on this thread was the local GM dealership claiming they put the dye in the oil of the wifes car to find a leak. I cannot see anything on the dip stick with my screw in black light bulbs.
You should use UV-blocking glasses and not look at the UV source at all. What you're interested in seeing is the fluorescence that's in the visible spectrum. Glass (and I think probably all plastic) lenses will block the UV.
Don't risk damaging your eyesight.
Glass and plastic do not block UV light unless coated to do so. By nature any wavelengths in the UV spectrum (below 400 nanometers) will pass right through Glass and plastic. Glass and plastic will block far IR (above 2 micrometers) not UV
Is it possible that the heat from the engine, or the pressure from the pump causes it to break down quickly? I can't imagine they would want that stuff running through the bearings for too long. And then again, maybe it doesn't hurt a thing. I'm curious to know the answer now that I'm thinking about it.
The stuff I used was said that it would vaporize above a certin temp. I never tried it but I suppose that its possible the heat caused it to volitize out of the oil. I've also heard that there is another "thing" they ad to make it stop floursing so that the whole engine doesn't glow. But I don't know if thats common practice of if it was just another majic bottle to buy.
Glass and plastic do not block UV light unless coated to do so. By nature any wavelengths in the UV spectrum (below 400 nanometers) will pass right through Glass and plastic. Glass and plastic will block far IR (above 2 micrometers) not UV
Regular optical glass absorbs UV light starting around 300 nM. For this reason quartz, rather than glass, cuvettes are used to measure UV light transmission by liquids.
Regular optical glass absorbs UV light starting around 300 nM. For this reason quartz, rather than glass, cuvettes are used to measure UV light transmission by liquids.
I stand corrected. However after some more research, glass only blocks some wavelengths of UV-A and UV-B. From wavelengths from 280nm through 400nm the passage UV increases, up to 71% for the UV-B @ 320nm. Although there is partial blocking, it is not total and the risk is still there.
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